APA (7th ed.) Citation

Cullen, R. (2020). In which they served: The stories of five men and women of the Great War as told by their medals. Unicorn Press.

Chicago Style (17th ed.) Citation

Cullen, Robert. In Which They Served: The Stories of Five Men and Women of the Great War as Told by Their Medals. London: Unicorn Press, 2020.

MLA (9th ed.) Citation

Cullen, Robert. In Which They Served: The Stories of Five Men and Women of the Great War as Told by Their Medals. Unicorn Press, 2020.